TEAS Practice Test Science

Questions 62

ATI TEAS 7

ATI TEAS 7 Test Bank

TEAS Practice Test Science Questions

Question 1 of 5

What is the main function of the nervous system?

Correct Answer: B

Rationale: The correct answer is B: To control body movement and coordination. The nervous system is responsible for receiving sensory input, processing information, and sending signals to control muscle movement and coordination. It includes the brain, spinal cord, and nerves. Choice A is incorrect as the immune system fights infection. Choice C is incorrect as metabolism is regulated by the endocrine system. Choice D is incorrect as oxygen transportation is the function of the circulatory system, not the nervous system.

Question 2 of 5

What is the main function of white blood cells?

Correct Answer: B

Rationale: The correct answer is B: Fight infection. White blood cells are a crucial part of the immune system, responsible for identifying and attacking foreign invaders such as bacteria, viruses, and other pathogens. They play a key role in defending the body against infections and diseases. Choices A, C, and D are incorrect because white blood cells do not primarily function in transporting oxygen, producing antibodies, or regulating body temperature. Oxygen transport is mainly the role of red blood cells, antibody production is the function of B cells, and body temperature regulation involves processes such as sweating and shivering controlled by the hypothalamus.

Question 3 of 5

Which of the following are properties of a liquid?

Correct Answer: D

Rationale: The correct answer is D: Takes shape of container. Liquids do not have a fixed shape but take the shape of the container they are in due to the particles being able to flow and move past each other. Choice A is incorrect as liquids have moderate atomic attraction, not high. Choice B is incorrect as liquids have a fixed volume but not a fixed shape. Choice C is incorrect as liquids can have varying pressures depending on the conditions.

Question 4 of 5

Which of the following organelles is responsible for food and water storage in the cell?

Correct Answer: D

Rationale: The correct answer is D: Vacuole. Vacuoles are responsible for storing food, water, and other materials in the cell. They help maintain turgor pressure and regulate the cell's internal environment. Centrioles are involved in cell division, lysosomes contain digestive enzymes, and ribosomes are responsible for protein synthesis. So, A, B, and C are incorrect choices for food and water storage in the cell.

Question 5 of 5

A scientist wants to conduct quantitative research. Which method should they use?

Correct Answer: B

Rationale: The correct answer is B because tracking drug dosage and blood levels is essential for quantitative research, providing measurable data for analysis. This method allows for precise measurement and statistical analysis, ensuring objective results. Patient narratives (A) lack quantifiability, making data analysis challenging. Observing physical changes (C) is subjective and doesn't provide quantitative data. Writing journal notes (D) is qualitative and doesn't involve numerical data for quantitative research.

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